oncepts & Calculation Centripetal Force Ball A is attached to one end of a rigid mass-less rod, while an identical ball B is attached to the center of the rod. Each ball has a mass of m=0.50kg, and the length of each half of the rod is L=0.40m. This arrangement is held by the empty end and is whirled around in a horizontal circle at a constant rate, so each ball is in uniform circular motion. Ball A travels at a constant speed of vA=5.0m/s. Find the tension in each half of the rod? How many tension forces contribute to the centripetal force that acts on ball A? How many tension forces contribute to the centripetal force that acts on ball B? Is the speed of ball B the same as the speed of ball A?

University Physics Volume 1
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ISBN:9781938168277
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Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 102P: A sphere of mass 1.0 kg and radius 0.5 m is attached to the end of a massless rod of length 3.0 m....
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Concepts & Calculation Centripetal Force

Ball A is attached to one end of a rigid mass-less rod, while an identical ball B is attached to the center of the rod. Each ball has a mass of m=0.50kg, and the length of each half of the rod is L=0.40m. This arrangement is held by the empty end and is whirled around in a horizontal circle at a constant rate, so each ball is in uniform circular motion. Ball A travels at a constant speed of vA=5.0m/s.

  1. Find the tension in each half of the rod?
  2. How many tension forces contribute to the centripetal force that acts on ball A?
  3. How many tension forces contribute to the centripetal force that acts on ball B?
  4. Is the speed of ball B the same as the speed of ball A?
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